I think this kind of movie is to sell itself through the previous ones, "Fatal corner 4 eh, 4 eh!" It's just the word "4", at least it will make people think, "The fourth film was taken. Now, I should be able to watch it, otherwise it would have been hacked early." Actually it was wrong, because the protagonists firmly believed that "I can kill you by screaming!" Then we saw such a movie.
By the way, there are cannibals. When they chew their fingers, there will be a sentence "Crunchy and crispy, chicken smell!" in their minds.
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